388633480 has 32 divisors (see below), whose sum is σ = 875626200. Its totient is φ = 155239936.

The previous prime is 388633477. The next prime is 388633513. The reversal of 388633480 is 84336883.

It can be written as a sum of positive squares in 4 ways, for example, as 334963204 + 53670276 = 18302^2 + 7326^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24636 + ... + 37204.

Almost surely, 2^388633480 is an apocalyptic number.

It is an amenable number.

388633480 is an abundant number, since it is smaller than the sum of its proper divisors (486992720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388633480 is a wasteful number, since it uses less digits than its factorization.

388633480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353 (or 13349 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 388633480 is about 19713.7890827715. The cubic root of 388633480 is about 729.7600262071.

The spelling of 388633480 in words is "three hundred eighty-eight million, six hundred thirty-three thousand, four hundred eighty".